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Top Forums Shell Programming and Scripting SFTP or scp with password in a batch script without using SSH keys and expect script Post 302941878 by Corona688 on Wednesday 22nd of April 2015 11:10:13 AM
Old 04-22-2015
Not just ssh but any sane login method, including su and sudo, are specifically designed to prevent you from doing exactly what you are trying to do, because it is a horrible idea. Don't do it.

Utilities like sshpass get around this by just giving up and allowing you to create the gaping security holes ssh, su, sudo, and many other authentication methods are designed to prevent. Did you know that whenever you pass a plaintext argument into it, it is briefly visible on your system? This is not a bug. This is just what happens when you do this. sshpass cannot prevent it, it can only try and make the time it is visible as short as possible.

Last edited by Corona688; 04-22-2015 at 12:18 PM..
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SSH-COPY-ID(1)						      General Commands Manual						    SSH-COPY-ID(1)

NAME
ssh-copy-id - install your public key in a remote machine's authorized_keys SYNOPSIS
ssh-copy-id [-i [identity_file]] [user@]machine DESCRIPTION
ssh-copy-id is a script that uses ssh to log into a remote machine (presumably using a login password, so password authentication should be enabled, unless you've done some clever use of multiple identities) It also changes the permissions of the remote user's home, ~/.ssh, and ~/.ssh/authorized_keys to remove group writability (which would oth- erwise prevent you from logging in, if the remote sshd has StrictModes set in its configuration). If the -i option is given then the identity file (defaults to ~/.ssh/id_rsa.pub) is used, regardless of whether there are any keys in your ssh-agent. Otherwise, if this: ssh-add -L provides any output, it uses that in preference to the identity file. If the -i option is used, or the ssh-add produced no output, then it uses the contents of the identity file. Once it has one or more fin- gerprints (by whatever means) it uses ssh to append them to ~/.ssh/authorized_keys on the remote machine (creating the file, and directory, if necessary) SEE ALSO
ssh(1), ssh-agent(1), sshd(8) OpenSSH 14 November 1999 SSH-COPY-ID(1)
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